Intermetal exchange of oxo, imido and alkylidene ligands
- 1 January 1992
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 7,p. 1331-1332
- https://doi.org/10.1039/dt9920001331
Abstract
Oxo, imido and alkylidene ligand-exchange reactions occur readily between the co-ordinatively unsaturated centres of MQ2X2(M = Mo or W; Q = O, NR or CHR′; X = OBut) and M(η-C5R″5)QX2(M = Nb or Ta; Q = NR or CHR′; X = Cl or OBut) compounds (R = C6H3Pri 2-2,6, R′= CMe2Ph or But, R″= H or Me); a kinetic study of the reaction between MoO2(OBut)2 and Mo(NR)2(OBut)2 indicates that the exchange proceeds via a four-centre transition state.Keywords
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